Figure 2

(a) Cross-section SEM image of Si-Pt/CoFe2O4/BNT-BT0.08 heterostructure thin film and a schematic representation inset; (b) SEM image of the composite film surface.

(a) Cross-section SEM image of Si-Pt/CoFe2O4/BNT-BT0.08 heterostructure thin film and a schematic representation inset; (b) SEM image of the composite film surface.